Question

is a point outside of circle Γ. The tangent from

P to
Γ
touches at A. A line from
P intersects
Γ at
B and
C such
that ∠ACP=120
∘. If
AC=16 and
AP=19, then the
radius of Γ

Answer 1

the radius of the circle will be (16 (3)^1/2)/3